| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Oortkaten | city | Freie und Hansestadt Hamburg | Germany | 53.45 | 10.1 | 9 | 114372 |
| Oos | city | Land Rheinland-Pfalz | Germany | 50.2333333 | 6.5833333 | 1709 | 6178 |
| Oos | city | Land Baden-Wurttemberg | Germany | 48.7833333 | 8.2 | 465 | 34402 |
| Oosscheuern | city | Land Baden-Wurttemberg | Germany | 48.7666667 | 8.2333333 | 656 | 35609 |
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